英语语法分析

At his death he left a great mass of undigested manuscripts.

他死后留下了大量未被充分理解的文稿。

The slugs digest most of the algae, but those plastids remain whole and undigested.

海藻的大部分被这种海蛤蝓消化，但是叶绿体保持完整不被消化。

What the researchers didn't find in the feces are bone or other bits of undigested animals.

研究者们在恐鳄的粪便中也没有找到骨头或其他未被消化的动物残骸。